Add source map copying for plugins

Reviewed By: nikoant

Differential Revision: D39576201

fbshipit-source-id: cd6b11bdb0a4c89e2f84d1c4772f08acc4b86418

desktop/scripts/build-plugin.tsx

@@ -54,6 +54,17 @@ const argv = yargs
       type: 'string',
       alias: 'ou',
     },
+    'output-sourcemap': {
+      description: 'File path for the sourcemap to be written. Optional.',
+      type: 'string',
+      alias: 'os',
+    },
+    'output-sourcemap-server-addon': {
+      description:
+        'File path for the server add-on sourcemap to be written. Optional.',
+      type: 'string',
+      alias: 'os',
+    },
   })
   .help()
   .parse(process.argv.slice(1));
@@ -65,9 +76,14 @@ async function buildPlugin() {
   const outputFileArg = argv.output;
   const outputUnpackedArg = argv['output-unpacked'];
   const minFlipperVersion = argv['min-flipper-version'];
+  const outputSourcemapArg = argv['output-sourcemap'];
+  const outputSourcemapServerAddOnArg = argv['output-sourcemap-server-addon'];
   const packageJsonPath = path.join(pluginDir, 'package.json');
   const packageJsonOverridePath = path.join(pluginDir, 'fb', 'package.json');
-  await runBuild(pluginDir, false);
+  await runBuild(pluginDir, false, {
+    sourceMapPath: outputSourcemapArg,
+    sourceMapPathServerAddOn: outputSourcemapServerAddOnArg,
+  });
   const checksum = await computePackageChecksum(pluginDir);
   if (previousChecksum !== checksum && argv.version) {
     console.log(`Plugin changed. Packaging new version ${argv.version}...`);